{"id":16064,"date":"2026-03-24T06:00:19","date_gmt":"2026-03-24T06:00:19","guid":{"rendered":"https:\/\/sistc.com\/?p=16064"},"modified":"2026-06-16T09:27:01","modified_gmt":"2026-06-16T09:27:01","slug":"blog-optimizing-n-element-mems-microphone-arrays-for-edge-ai","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/blog-optimizing-n-element-mems-microphone-arrays-for-edge-ai\/","title":{"rendered":"\u4ece\u7406\u8bba\u5230\u5b9e\u8df5\uff1a\u4e3a\u8fb9\u7f18\u4eba\u5de5\u667a\u80fd\u4f18\u5316 N \u5143 MEMS \u9ea6\u514b\u98ce\u9635\u5217"},"content":{"rendered":"<h3 class=\"wp-block-heading\">\u5bfc\u8a00<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u53cc\u5143\u4ef6\u9ea6\u514b\u98ce\u9635\u5217\u7684\u57fa\u672c\u7269\u7406\u539f\u7406\u3002\u7136\u800c\uff0c\u8981\u5728\u5177\u6709\u6311\u6218\u6027\u7684\u73af\u5883\u4e2d\u5b9e\u73b0\u771f\u6b63\u7684\u4e13\u4e1a\u7ea7\u97f3\u9891\uff0c\u5982\u58f0\u63a7\u4fe1\u606f\u4ead\u6216\u667a\u80fd\u4f1a\u8bae\u7cfb\u7edf\uff0c\u6211\u4eec\u5fc5\u987b\u7740\u773c\u4e8e <strong>N \u5143\u7d20\u6570\u7ec4<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 <strong>\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff08SISTC\uff09<\/strong>, \u6211\u4eec\u5728\u5fae\u673a\u7535\u7cfb\u7edf\uff08MEMS\uff09\u521b\u65b0\u9886\u57df 15 \u5e74\u7684\u4e13\u4e1a\u7ecf\u9a8c\u8868\u660e\uff0c\u66f4\u591a\u7684\u5143\u4ef6\u4e0d\u4ec5\u610f\u5473\u7740\u66f4\u591a\u7684\u786c\u4ef6\uff0c\u8fd8\u610f\u5473\u7740\u66f4\u9ad8\u7684\u7cbe\u5ea6\u3002\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u63a2\u7d22\u5982\u4f55\u6269\u5c55\u9635\u5217\u6765\u6539\u53d8\u5176\u6027\u80fd\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.N \u7684\u529b\u91cf\uff1a\u6269\u5c55\u9635\u5217\u6027\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6211\u4eec\u4ece\u4e24\u4e2a\u9ea6\u514b\u98ce\u53d1\u5c55\u5230\u56db\u4e2a\u3001\u516b\u4e2a\u751a\u81f3\u5341\u516d\u4e2a\u9ea6\u514b\u98ce\u65f6\uff0c\u6709\u4e24\u4ef6\u81f3\u5173\u91cd\u8981\u7684\u4e8b\u60c5\u53d1\u751f\u4e86\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u66f4\u6e05\u6670\u7684\u6307\u5411\u6027<\/strong> \u4e3b\u53f6\u201c\uff08\u9ea6\u514b\u98ce\u6700\u654f\u611f\u7684\u533a\u57df\uff09\u660e\u663e\u53d8\u7a84\u3002\u8fd9\u6837\uff0c\u8bbe\u5907\u5c31\u80fd \u201d\u9501\u5b9a \u201c\u7528\u6237\u7684\u58f0\u97f3\uff0c\u800c\u5ffd\u7565\u51e0\u5ea6\u4e4b\u5916\u7684\u566a\u97f3\u3002.<\/li>\n\n\n\n<li><strong>\u589e\u5f3a\u4fe1\u566a\u6bd4\u589e\u76ca<\/strong> \u5bf9\u4e8e\u52a0\u6cd5\u9635\u5217\uff0c\u4f20\u58f0\u5668\u6570\u91cf\u6bcf\u589e\u52a0\u4e00\u500d\uff0c\u7406\u8bba\u4e0a\u5c31\u80fd\u63d0\u4f9b\u4e00\u4e2a <strong>\u4fe1\u566a\u6bd4\u63d0\u9ad8 3 \u5206\u8d1d<\/strong>. .\u4e0e\u5355\u4e2a MEMS \u4f20\u611f\u5668\u76f8\u6bd4\uff0c8 \u4e2a\u9ea6\u514b\u98ce\u9635\u5217\u53ef\u5927\u5927\u63d0\u9ad8\u6e05\u6670\u5ea6\u3002.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"566\" height=\"318\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Linear-planar-and-volumetric-arrays.png\" alt=\"\" class=\"wp-image-16065\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Linear-planar-and-volumetric-arrays.png 566w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Linear-planar-and-volumetric-arrays-300x169.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/Linear-planar-and-volumetric-arrays-18x10.png 18w\" sizes=\"(max-width: 566px) 100vw, 566px\" \/><figcaption class=\"wp-element-caption\">\u7ebf\u6027\u3001\u5e73\u9762\u548c\u4f53\u79ef\u9635\u5217<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u7ebf\u6761\u4e4b\u5916\uff1a\u7ebf\u6027\u3001\u5e73\u9762\u548c\u4f53\u79ef\u9635\u5217<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9635\u5217\u7684\u51e0\u4f55\u5f62\u72b6\u5e94\u4e0e\u5e94\u7528\u76f8\u5339\u914d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7ebf\u6027\u9635\u5217<\/strong> \u6700\u9002\u7528\u4e8e\u56fa\u5b9a\u4f4d\u7f6e\u62fe\u97f3\uff08\u5982\u97f3\u7bb1\u6216\u7b14\u8bb0\u672c\u7535\u8111\uff09\u3002.<\/li>\n\n\n\n<li><strong>\u5e73\u9762\u9635\u5217\uff082D\uff09\uff1a<\/strong> \u5b83\u4eec\u4ee5\u5706\u5f62\u6216\u7f51\u683c\u72b6\u6392\u5217\uff0c\u53ef\u63d0\u4f9b 360 \u5ea6\u6c34\u5e73\u8986\u76d6\uff0c\u662f\u653e\u7f6e\u5728\u623f\u95f4\u4e2d\u592e\u7684\u667a\u80fd\u626c\u58f0\u5668\u7684\u7406\u60f3\u9009\u62e9\u3002.<\/li>\n\n\n\n<li><strong>\u4f53\u79ef\u9635\u5217\uff08\u4e09\u7ef4\uff09\uff1a<\/strong> \u53ef\u5728\u4e09\u7ef4\u7a7a\u95f4\u4e2d\u8ffd\u8e2a\u58f0\u97f3\u7684\u7403\u5f62\u5e03\u5c40\uff0c\u7528\u4e8e\u5148\u8fdb\u7684\u865a\u62df\u73b0\u5b9e\u548c\u7a7a\u95f4\u97f3\u9891\u5f55\u5236\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3.\u5dee\u5206\u4f20\u58f0\u5668\u9635\u5217\uff08DMA\uff09\u7684\u590d\u6742\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u52a0\u6cd5\u9635\u5217\uff08\u6c42\u548c\u4fe1\u53f7\uff09\u5f88\u7b80\u5355\u3001, <strong>\u5dee\u5206\u4f20\u58f0\u5668\u9635\u5217 (DMA)<\/strong> \u8fd9\u624d\u662f\u771f\u6b63\u7684\u58f0\u5b66\u5de5\u7a0b\u3002DMA \u53ef\u51cf\u53bb\u4fe1\u53f7\uff0c\u5728\u66f4\u5bbd\u7684\u9891\u7387\u8303\u56f4\u5185\u4fdd\u6301\u9ad8\u6307\u5411\u6027\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5de5\u7a0b\u6311\u6218\uff1a<\/strong> DMA \u5bf9 <strong>\u9ea6\u514b\u98ce\u4e0d\u5339\u914d<\/strong>. .\u5982\u679c\u4e00\u4e2a MEMS \u9ea6\u514b\u98ce\u7684\u7075\u654f\u5ea6\u6216\u76f8\u4f4d\u4e0e\u90bb\u8fd1\u7684\u9ea6\u514b\u98ce\u7565\u6709\u4e0d\u540c\uff0c\u90a3\u4e48\u566a\u58f0\u6d88\u9664\u6548\u679c\u5c31\u4f1a\u6d88\u5931\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48 <strong>SISTC<\/strong> \u5f3a\u8c03\u9ad8\u7cbe\u5ea6\u6a21\u62df\u63a5\u53e3\u548c\u4e25\u683c\u7684\u8d28\u91cf\u63a7\u5236\uff0c\u786e\u4fdd\u9635\u5217\u4e2d\u7684\u6bcf\u4e2a\u7ec4\u4ef6\u90fd\u80fd\u5b8c\u7f8e\u5339\u914d\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.\u9891\u7387\u54cd\u5e94\u548c\u5747\u8861<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5dee\u5206\u9635\u5217\u7684\u4e00\u4e2a\u5df2\u77e5\u7279\u70b9\u662f <strong>6 \u5206\u8d1d\/\u500d\u9891\u7a0b\u6eda\u964d<\/strong> \u4f4e\u9891\u3002\u4e3a\u4e86\u63d0\u4f9b\u81ea\u7136\u7684\u58f0\u97f3\uff0c\u5fc5\u987b\u4f7f\u7528\u7535\u5b50\u5747\u8861\u5668\uff08EQ\uff09\u5bf9\u5176\u8fdb\u884c\u8865\u507f\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5c0f\u8d34\u58eb<\/strong> \u9ea6\u514b\u98ce\u4e4b\u95f4\u7684\u95f4\u8ddd\uff08\u8ddd\u79bb D\uff09\u51b3\u5b9a\u4e86 \u201c\u4e0a\u622a\u6b62\u9891\u7387\u201d\u3002\u5982\u679c D \u8fc7\u5927\uff0c\u5c31\u4f1a\u4ea7\u751f\u4e0d\u5fc5\u8981\u7684 \u201c\u5149\u6805\u88c2\u7247\u201d\uff08\u58f0\u5b66\u6df7\u53e0\uff09\u3002.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"493\" height=\"278\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/On-axis-frequency-response-of-a-two-element-differential-endfire-array.png\" alt=\"\" class=\"wp-image-16066\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/On-axis-frequency-response-of-a-two-element-differential-endfire-array.png 493w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/On-axis-frequency-response-of-a-two-element-differential-endfire-array-300x169.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2026\/03\/On-axis-frequency-response-of-a-two-element-differential-endfire-array-18x10.png 18w\" sizes=\"(max-width: 493px) 100vw, 493px\" \/><figcaption class=\"wp-element-caption\">\u53cc\u5143\u4ef6\u5dee\u5206\u7aef\u5c04\u9635\u5217\u7684\u8f74\u5411\u9891\u7387\u54cd\u5e94<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">5.\u9635\u5217\u9ea6\u514b\u98ce\u4e0e\u4f20\u7edf\u6307\u5411\u6027\u9ea6\u514b\u98ce\u7684\u6bd4\u8f83<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4ec0\u4e48\u4f7f\u7528\u9635\u5217\u800c\u4e0d\u662f\u4f20\u7edf\u7684\u5fc3\u5f62\u5f55\u97f3\u5ba4\u8bdd\u7b52\uff1f<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u5916\u5f62\u5c3a\u5bf8\uff1a<\/strong> MEMS \u9635\u5217\u5f88\u8584\uff0c\u53ef\u4ee5\u96c6\u6210\u5230\u65f6\u5c1a\u7684\u6d88\u8d39\u7535\u5b50\u4ea7\u54c1\u4e2d\u3002.<\/li>\n\n\n\n<li><strong>\u81ea\u9002\u5e94\u8f6c\u5411\uff1a<\/strong> \u4e0e\u5b9e\u4f53\u67aa\u5f62\u9ea6\u514b\u98ce\u4e0d\u540c\uff0c\u9635\u5217\u53ef\u4ee5\u4f7f\u7528\u8f6f\u4ef6\u7b97\u6cd5\uff08\u6ce2\u675f\u6210\u5f62\uff09\u201c\u79fb\u52a8 \u201d\u5176\u805a\u7126\u70b9\uff0c\u800c\u65e0\u9700\u4efb\u4f55\u5b9e\u4f53\u79fb\u52a8\u3002.<\/li>\n\n\n\n<li><strong>\u8010\u7528\u6027\uff1a<\/strong> \u6ca1\u6709\u8106\u5f31\u7684\u819c\u7247\uff1bMEMS \u6280\u672f\u575a\u56fa\u8010\u7528\u3001\u6297\u9707\u6027\u5f3a\u3002.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3\uff1a\u643a\u624b\u6253\u9020\u5353\u8d8a\u58f0\u5b66<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6784\u5efa\u4e00\u4e2a\u6709\u6548\u7684\u9ea6\u514b\u98ce\u9635\u5217\u9700\u8981\u517c\u987e\u7269\u7406\u5b66\u3001\u786c\u4ef6\u9009\u62e9\u548c\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u3002\u65e0\u8bba\u60a8\u8bbe\u8ba1\u7684\u662f\u9ad8\u7aef\u7535\u8bdd\u4f1a\u8bae\u8bbe\u5907\u8fd8\u662f\u5de5\u4e1a\u566a\u58f0\u76d1\u6d4b\u7cfb\u7edf\u3001, <strong>\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8<\/strong> \u63d0\u4f9b\u6838\u5fc3 MEMS \u5143\u4ef6\u548c\u4e13\u4e1a\u6280\u672f\uff0c\u5c06\u60a8\u7684\u613f\u666f\u53d8\u4e3a\u73b0\u5b9e\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u51c6\u5907\u597d\u5347\u7ea7\u60a8\u7684\u97f3\u9891\u67b6\u6784\u4e86\u5417\uff1f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6d4f\u89c8\u6211\u4eec\u7684\u4ea7\u54c1\uff1a<\/strong> <a href=\"https:\/\/sistc.com\/zh\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.sistc.com<\/a><\/li>\n\n\n\n<li><strong>\u6280\u672f\u652f\u6301\uff1a<\/strong> <a href=\"mailto:info@sistc.com\" target=\"_blank\" rel=\"noreferrer noopener\">\u8054\u7cfb\u6211\u4eec\u3002.<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction In our previous post, we covered the foundational physics of two-element microphone arrays. However, to achieve true professional-grade audio in challenging environments\u2014such as voice-controlled kiosks or smart conference systems\u2014we [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[],"footnotes":""},"categories":[103],"tags":[],"class_list":["post-16064","post","type-post","status-publish","format-standard","hentry","category-technical-blog"],"_links":{"self":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/16064","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/comments?post=16064"}],"version-history":[{"count":1,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/16064\/revisions"}],"predecessor-version":[{"id":16477,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/16064\/revisions\/16477"}],"wp:attachment":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media?parent=16064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/categories?post=16064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/tags?post=16064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}